CN109159234A - A kind of sofening treatment method of purple willow - Google Patents

A kind of sofening treatment method of purple willow Download PDF

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Publication number
CN109159234A
CN109159234A CN201811120631.1A CN201811120631A CN109159234A CN 109159234 A CN109159234 A CN 109159234A CN 201811120631 A CN201811120631 A CN 201811120631A CN 109159234 A CN109159234 A CN 109159234A
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Prior art keywords
purple willow
sofening treatment
treatment method
starch
solution
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CN201811120631.1A
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CN109159234B (en
Inventor
张海涛
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Anhui Hanjia Mechanical And Electrical Equipment Technology Co Ltd
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Anhui Hanjia Mechanical And Electrical Equipment Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K9/00—Chemical or physical treatment of reed, straw, or similar material
    • B27K9/002—Cane, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/005—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising microparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/007—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/0015—Treating of wood not provided for in groups B27K1/00, B27K3/00 by electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/06—Softening or hardening of wood

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

The invention discloses a kind of sofening treatment methods of purple willow, are related to craftwork technical field, comprising the following steps: (1) pre-process；(2) modification；(3) electrolysis is handled；In order to promote sofening treatment effect, the present invention pre-processes purple willow item with citric acid composite solution by using sodium chloride, it can promote the dissolution of half wood fibre to a certain extent, promote the softening of purple willow, pass through the modification carried out to purple willow item, stronger association reaction effect effectively can be generated to wood fibre, reduce the thermal softening temperature of wood fibre well.

Description

A kind of sofening treatment method of purple willow
Technical field
The invention belongs to craftwork technical fields, and in particular to a kind of sofening treatment method of purple willow.
Background technique
Funan County is under the jurisdiction of Anhui Province's Fuyang City, belongs to inland exploitation area earlier, on the Anhui Province northwestward, Huaihe River Middle reaches engaging portion north bank.Funan County is known as the title in " famous-brand and high-quality specialty county ", " Natural resources reservoir ", be national grain-production great Xian, in Unique agriculture (forestry) the circular economy demonstration pilot project county in township, the whole nation of state's wicker plaiting article, Funan is the township of national wicker plaiting article, wicker products It is sold abroad.It needs to carry out sofening treatment in wicker plaiting article process, because the wicker hardness after harvesting naturally is higher, flexibility is not up to Requirement needed for braiding then needs to carry out softening process processing to shorten processing efficiency, promote yield rate.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of sofening treatment method of purple willow is provided.
The present invention is achieved by the following technical solutions:
A kind of sofening treatment method of purple willow, comprising the following steps:
(1) it pre-processes:
By purple willow removing surface it is clean after, 10-12min is impregnated using sodium chloride and citric acid composite solution at normal temperature, so After be filtered, naturally dry；
(2) modification:
After treated purple willow item and ethanol solution are mixed in the ratio of 200g:450-500mL, 10min is stood, then The nanometer starch crystal load dopamine hydrochloride that its quality 5.5-5.8% is added into ethanol solution, is heated to 60-65 DEG C, with 500r/min revolving speed stirs 2 hours, is then filtered, naturally dry；
(3) electrolysis is handled:
Using the aqueous solution of oxalic acid as electrolyte, the nanometer starch crystal load dopamine of its quality 2.5-2.9% is added into electrolyte Treated purple willow item is added in electrolyte after mixing evenly and carries out electrolysis processing by hydrochloride, electrolytic processing time For 15-18min, be then filtered, purple willow surface cleaned using deionized water, drying to constant weight to get.
Further, sodium chloride described in step (1) and sodium chloride, citric acid, water quality ratio in citric acid composite solution For 3:1:50.
Further, the load dopamine hydrochloride of nanometer starch crystal described in step (2) and step (3) the preparation method comprises the following steps:
(1) starch is uniformly mixed with sulfuric acid solution by 1:8 mass ratio, is heated to 75 DEG C, with 3000r/min revolving speed stirring 2 Hour, then the MALEIC ACID, ZINC SALT of sulfuric acid solution quality 0.32% is added, continue to stir 25min, then be filtered, using deionization Water is cleaned to neutrality, and drying to constant weight to get nanometer starch crystal；
(2) nanometer starch crystal is uniformly admixed together by 3:12:0.8 mass ratio with ethyl alcohol, dopamine hydrochloride, water-bath adds Heat is to 76 DEG C, with 1500r/min revolving speed stirring 1.2 hours, be then evaporated it is dry to constant weight to get.
Further, the starch is that soybean starch and tapioca are mixed to get by 1:1 mass ratio.
Further, the sulfuric acid solution concentration is 0.45mol/L.
Further, the starch nano grain size is 100nm.
Further, step (2) the ethanol solution mass fraction is 35%.
Further, the current density of step (3) described electrolysis is 0.05A/cm2。
The utility model has the advantages that the present invention is by using sodium chloride and citric acid composite solution pair in order to promote sofening treatment effect Purple willow item is pre-processed, and can be promoted the dissolution of half wood fibre to a certain extent, the softening of purple willow be promoted, by purple willow The modification that item carries out effectively can generate stronger association reaction effect to wood fibre, reduce wooden fibre well The thermal softening temperature of dimension is promoted to enhance above-mentioned treatment effect by the effect that nanometer starch crystal loads dopamine hydrochloride Effective component is to the osmosis inside purple willow, so that purple willow internal fiber is preferably swollen, so that purple willow Cell wall lignin, hemicellulose glass transition temperature can be significantly reduced, then again by using electrolyte to Qi The effect that wicker carries out electrolysis processing increases the space of free volume in purple willow cell wall, while being electrolysed processing bring one Determine temperature to improve the energy of molecular thermalmotion, the hydroxyl on cellulose unformed area strand, part forms hydrogen bond, at part In free state, easily absorption moisture, and with the increase of moisture, the further swollen of fiber, the free more water of hydroxyl absorption Point, cooperate with the effect of effective component in electrolyte to cause the reduction of fibrous inside binding force, hemicellulose belongs to unformed substance, Containing a large amount of hydrogen bond, easily absorption moisture, under the action of electrolysis processing, hemicellulose is easily degraded, strength reduction, purple willow Bating effect is significantly improved, and in addition under the electrolysis of a constant current, can destroy cellulose and hemicellulose chain Intermolecular hydrogen bond, while destroying the connecting key between lignin and carbohydrate, and making lignin itself and generating thermal softening Effect to increase the space of free volume in purple willow cell wall, soften conducive to the loose of the netted structure of plant fiber Performance improves.
Specific embodiment
Embodiment 1
A kind of sofening treatment method of purple willow, comprising the following steps:
(1) it pre-processes:
By purple willow removing surface it is clean after, 10min is impregnated using sodium chloride and citric acid composite solution at normal temperature, then into Row filtering, naturally dry；
(2) modification:
After treated purple willow item and ethanol solution are mixed in the ratio of 200g:450mL, 10min is stood, then to second The nanometer starch crystal load dopamine hydrochloride that its quality 5.5% is added in alcoholic solution, is heated to 60 DEG C, with 500r/min revolving speed Stirring 2 hours, is then filtered, naturally dry；
(3) electrolysis is handled:
Using the aqueous solution of oxalic acid as electrolyte, the nanometer starch crystal load dopamine hydrochloric acid of its quality 2.5% is added into electrolyte Treated purple willow item is added in electrolyte after mixing evenly and carries out electrolysis processing, electrolytic processing time is by salt Then 15min is filtered, cleaned using deionized water to purple willow surface, drying to constant weight to get.
Further, sodium chloride described in step (1) and sodium chloride, citric acid, water quality ratio in citric acid composite solution For 3:1:50.
Further, the load dopamine hydrochloride of nanometer starch crystal described in step (2) and step (3) the preparation method comprises the following steps:
(1) starch is uniformly mixed with sulfuric acid solution by 1:8 mass ratio, is heated to 75 DEG C, with 3000r/min revolving speed stirring 2 Hour, then the MALEIC ACID, ZINC SALT of sulfuric acid solution quality 0.32% is added, continue to stir 25min, then be filtered, using deionization Water is cleaned to neutrality, and drying to constant weight to get nanometer starch crystal；
(2) nanometer starch crystal is uniformly admixed together by 3:12:0.8 mass ratio with ethyl alcohol, dopamine hydrochloride, water-bath adds Heat is to 76 DEG C, with 1500r/min revolving speed stirring 1.2 hours, be then evaporated it is dry to constant weight to get.
Further, the starch is that soybean starch and tapioca are mixed to get by 1:1 mass ratio.
Further, the sulfuric acid solution concentration is 0.45mol/L.
Further, the starch nano grain size is 100nm.
Further, step (2) the ethanol solution mass fraction is 35%.
Further, the current density of step (3) described electrolysis is 0.05A/cm2。
Embodiment 2
A kind of sofening treatment method of purple willow, comprising the following steps:
(1) it pre-processes:
By purple willow removing surface it is clean after, 12min is impregnated using sodium chloride and citric acid composite solution at normal temperature, then into Row filtering, naturally dry；
(2) modification:
After treated purple willow item and ethanol solution are mixed in the ratio of 200g:500mL, stand 10min, then to The nanometer starch crystal load dopamine hydrochloride that its quality 5.8% is added in ethanol solution, is heated to 65 DEG C, is turned with 500r/min Speed stirring 2 hours, is then filtered, naturally dry；
(3) electrolysis is handled:
Using the aqueous solution of oxalic acid as electrolyte, the nanometer starch crystal load dopamine hydrochloric acid of its quality 2.9% is added into electrolyte Treated purple willow item is added in electrolyte after mixing evenly and carries out electrolysis processing, electrolytic processing time is by salt Then 18min is filtered, cleaned using deionized water to purple willow surface, drying to constant weight to get.
Further, sodium chloride described in step (1) and sodium chloride, citric acid, water quality ratio in citric acid composite solution For 3:1:50.
Further, the load dopamine hydrochloride of nanometer starch crystal described in step (2) and step (3) the preparation method comprises the following steps:
(1) starch is uniformly mixed with sulfuric acid solution by 1:8 mass ratio, is heated to 75 DEG C, with 3000r/min revolving speed stirring 2 Hour, then the MALEIC ACID, ZINC SALT of sulfuric acid solution quality 0.32% is added, continue to stir 25min, then be filtered, using deionization Water is cleaned to neutrality, and drying to constant weight to get nanometer starch crystal；
(2) nanometer starch crystal is uniformly admixed together by 3:12:0.8 mass ratio with ethyl alcohol, dopamine hydrochloride, water-bath adds Heat is to 76 DEG C, with 1500r/min revolving speed stirring 1.2 hours, be then evaporated it is dry to constant weight to get.
Further, the starch is that soybean starch and tapioca are mixed to get by 1:1 mass ratio.
Further, the sulfuric acid solution concentration is 0.45mol/L.
Further, the starch nano grain size is 100nm.
Further, step (2) the ethanol solution mass fraction is 35%.
Further, the current density of step (3) described electrolysis is 0.05A/cm2。
Embodiment 3
A kind of sofening treatment method of purple willow, comprising the following steps:
(1) it pre-processes:
By purple willow removing surface it is clean after, 11min is impregnated using sodium chloride and citric acid composite solution at normal temperature, then into Row filtering, naturally dry；
(2) modification:
After treated purple willow item and ethanol solution are mixed in the ratio of 200g:460mL, 10min is stood, then to second The nanometer starch crystal load dopamine hydrochloride that its quality 5.7% is added in alcoholic solution, is heated to 62 DEG C, with 500r/min revolving speed Stirring 2 hours, is then filtered, naturally dry；
(3) electrolysis is handled:
Using the aqueous solution of oxalic acid as electrolyte, the nanometer starch crystal load dopamine hydrochloric acid of its quality 2.7% is added into electrolyte Treated purple willow item is added in electrolyte after mixing evenly and carries out electrolysis processing, electrolytic processing time is by salt Then 16min is filtered, cleaned using deionized water to purple willow surface, drying to constant weight to get.
Further, sodium chloride described in step (1) and sodium chloride, citric acid, water quality ratio in citric acid composite solution For 3:1:50.
Further, the load dopamine hydrochloride of nanometer starch crystal described in step (2) and step (3) the preparation method comprises the following steps:
(1) starch is uniformly mixed with sulfuric acid solution by 1:8 mass ratio, is heated to 75 DEG C, with 3000r/min revolving speed stirring 2 Hour, then the MALEIC ACID, ZINC SALT of sulfuric acid solution quality 0.32% is added, continue to stir 25min, then be filtered, using deionization Water is cleaned to neutrality, and drying to constant weight to get nanometer starch crystal；
(2) nanometer starch crystal is uniformly admixed together by 3:12:0.8 mass ratio with ethyl alcohol, dopamine hydrochloride, water-bath adds Heat is to 76 DEG C, with 1500r/min revolving speed stirring 1.2 hours, be then evaporated it is dry to constant weight to get.
Further, the starch is that soybean starch and tapioca are mixed to get by 1:1 mass ratio.
Further, the sulfuric acid solution concentration is 0.45mol/L.
Further, the starch nano grain size is 100nm.
Further, step (2) the ethanol solution mass fraction is 35%.
Further, the current density of step (3) described electrolysis is 0.05A/cm2。
Comparative example 1: it is only that with the difference of embodiment 1 and nanometer starch crystal load dopamine hydrochloride is replaced with into the big of equivalent Beans starch.
Comparative example 2: the shallow lake for being only that and nanometer starch crystal load dopamine hydrochloride being replaced with to equivalent is distinguished with embodiment 1 Powder is nanocrystalline.
Comparative example 3: it is only that with the difference of embodiment 1 and is handled without step (2).
Comparative example 4: it is only that with the difference of embodiment 1 and is handled without step (3).
Control group: application number: 201810218190.2 softening methods.
Test:
The purple willow item of equal length and diameter as sample material, to be randomly divided into 9 groups, embodiment and comparative example side is respectively adopted Method is handled, and is stayed one group as blank control group, is detected each group one-dimensional bending curvature radius；
Table 1
As can be seen from Table 1, treatment process of the present invention can effectively reduce purple willow one-dimensional bending curvature radius, bating effect Significantly.
To after above-mentioned test embodiment and comparative example group sample the craftwork of same size is made, the intensity after recovery with Former intensity contrast calculates intensity recovery rate:
Table 2
As can be seen from Table 2, treated that purple willow intensity recovery rate is higher by the present invention.

Claims (8)

1. a kind of sofening treatment method of purple willow, which comprises the following steps:
(1) it pre-processes:
By purple willow removing surface it is clean after, 10-12min is impregnated using sodium chloride and citric acid composite solution at normal temperature, so After be filtered, naturally dry；
(2) modification:
After treated purple willow item and ethanol solution are mixed in the ratio of 200g:450-500mL, 10min is stood, then The nanometer starch crystal load dopamine hydrochloride that its quality 5.5-5.8% is added into ethanol solution, is heated to 60-65 DEG C, with 500r/min revolving speed stirs 2 hours, is then filtered, naturally dry；
(3) electrolysis is handled:
Using the aqueous solution of oxalic acid as electrolyte, the nanometer starch crystal load dopamine of its quality 2.5-2.9% is added into electrolyte Treated purple willow item is added in electrolyte after mixing evenly and carries out electrolysis processing by hydrochloride, electrolytic processing time For 15-18min, be then filtered, purple willow surface cleaned using deionized water, drying to constant weight to get.
2. a kind of sofening treatment method of purple willow as described in claim 1, which is characterized in that sodium chloride described in step (1) It is 3:1:50 with sodium chloride, citric acid, water quality ratio in citric acid composite solution.
3. a kind of sofening treatment method of purple willow as described in claim 1, which is characterized in that institute in step (2) and step (3) State nanometer starch crystal load dopamine hydrochloride the preparation method comprises the following steps:
(1) starch is uniformly mixed with sulfuric acid solution by 1:8 mass ratio, is heated to 75 DEG C, with 3000r/min revolving speed stirring 2 Hour, then the MALEIC ACID, ZINC SALT of sulfuric acid solution quality 0.32% is added, continue to stir 25min, then be filtered, using deionization Water is cleaned to neutrality, and drying to constant weight to get nanometer starch crystal；
(2) nanometer starch crystal is uniformly admixed together by 3:12:0.8 mass ratio with ethyl alcohol, dopamine hydrochloride, water-bath adds Heat is to 76 DEG C, with 1500r/min revolving speed stirring 1.2 hours, be then evaporated it is dry to constant weight to get.
4. a kind of sofening treatment method of purple willow as claimed in claim 3, which is characterized in that the starch be soybean starch with Tapioca is mixed to get by 1:1 mass ratio.
5. a kind of sofening treatment method of purple willow as claimed in claim 3, which is characterized in that the sulfuric acid solution concentration is 0.45mol/L。
6. a kind of sofening treatment method of purple willow as claimed in claim 3, which is characterized in that the starch nano grain size is 100nm。
7. a kind of sofening treatment method of purple willow as described in claim 1, which is characterized in that step (2) described ethanol solution Mass fraction is 35%.
8. a kind of sofening treatment method of purple willow as described in claim 1, which is characterized in that the electricity of step (3) described electrolysis Current density is 0.05A/cm2。
CN201811120631.1A 2018-09-25 2018-09-25 Softening treatment method of salix integra Active CN109159234B (en)

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CN102634986A (en) * 2012-04-20 2012-08-15 北京化工大学 Method for pretreating fibers
CN106268947A (en) * 2016-07-20 2017-01-04 上海航天设备制造总厂 A kind of preparation method of nanometer starch crystal load gold nano grain effective catalyst
CN106003318A (en) * 2016-07-25 2016-10-12 邵侠 Salix integra softener
CN106393340A (en) * 2016-09-23 2017-02-15 阜南县中泰工艺品有限公司 Willow softening treatment method
CN107253250A (en) * 2017-07-28 2017-10-17 阜南县腾博工艺品有限公司 A kind of sofening treatment method of purple willow
CN107336314A (en) * 2017-08-28 2017-11-10 阜南县腾祥工艺品有限公司 A kind of method of vegetalitas black dyes rattan dyeing

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